Cita APA (7th ed.)

SLACK NIGEL. (2015). OPERATIONS STRATEGY (4TH ED.). PEARSON.

Cita Chicago (17th ed.)

SLACK NIGEL. OPERATIONS STRATEGY. 4TH ED. HARLOW: PEARSON, 2015.

Cita MLA (9th ed.)

SLACK NIGEL. OPERATIONS STRATEGY. 4TH ED. PEARSON, 2015.